20727690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1723}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 49899456

約数和(自身を除く): 29171766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 1723, 2005, 2406, 3446, 4010, 5169, 6015, 8615, 10338, 12030, 17230, 25845, 51690, 690923, 1381846, 2072769, 3454615, 4145538, 6909230, 10363845, 20727690]

約数ペア:

[(1, 20727690), (2, 10363845), (3, 6909230), (5, 4145538), (6, 3454615), (10, 2072769), (15, 1381846), (30, 690923), (401, 51690), (802, 25845), (1203, 17230), (1723, 12030), (2005, 10338), (2406, 8615), (3446, 6015), (4010, 5169)]